Conference paper Open Access

Small scale Suspended Interferometer for Ponderomotive Squeezing (SIPS) as test bench of the EPR squeezer for Advanced Virgo

Di Pace, Sibilla; Naticchioni, Luca; Majorana, Ettore; Giacoppo, Laura; Puppo, Paola; Ricci, Fulvio; Rapagnani, Piero; Perciballi, Maurizio; De Laurentis, Martina; Calloni, Enrico; Travasso, Flavio; Bawaj, Mateusz; Vocca, Helios; Piluso, Antonfranco; Sequino, Valeria; Sorrentino, Fiodor

We are developing a small-scale interferometer with monolithic suspension of test masses (SIPS), that will be sensitive to the quantum radiation pressure noise in the audio frequency band of gravitational wave detectors. In the same time, a table-top experiment for the frequency dependent squeezing generation, through the Einstein Podolsky Rosen (EPR) principle, is under construction. SIPS interferometer, being designed to achieve the quantum radiation pressure noise limit exploiting high finesse optical cavities, turns out to be a suitable test bench for the EPR technique, before a possible integration in Virgo for broadband quantum noise reduction. In this work, we describe the concept of the SIPS experiment, the most important noises affecting this setup, and we briefly present the current status and the plan for the integration with the EPR squeezing experiment.

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